Smith, G. F. Publication of Kalanchoe Sect. Trichanthae (Crassulaceae Subfam. Kalanchooideae), a New Status for K. [infragen. Unranked] Trichanthae of Alwin Berger (930), in K. Subg. Calophygia (2006 As Amended in 2023). Phytotaxa 2023, 616, 176-182.